Home / 53,927.71-80,928.02-18,867.67

Finding the Fourth Proportional to 53,927.71, 80,928.02 and 18,867.67

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Solution

The fourth proportional to 53,927.71, 80,928.02 and 18,867.67 is: 28,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,927.71 : 80,928.02 = 18,867.67 : x
  2. Step 2: Convert to fraction form
    53,927.71/80,928.02 = 18,867.67/x
  3. Step 3: Cross multiply
    53,927.71x = 80,928.02 × 18,867.67
  4. Step 4: Simplify right side
    53,927.71x = 1,526,923,175.11
  5. Step 5: Solve for x
    x = 1,526,923,175.11/53,927.71
  6. Step 6: Final answer
    x = 28,314.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.